GB2091398B - Apparatus for hardening metallic workpieces - Google Patents
Apparatus for hardening metallic workpiecesInfo
- Publication number
- GB2091398B GB2091398B GB8136446A GB8136446A GB2091398B GB 2091398 B GB2091398 B GB 2091398B GB 8136446 A GB8136446 A GB 8136446A GB 8136446 A GB8136446 A GB 8136446A GB 2091398 B GB2091398 B GB 2091398B
- Authority
- GB
- United Kingdom
- Prior art keywords
- metallic workpieces
- hardening metallic
- hardening
- workpieces
- metallic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/16—Heating by glow discharge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/38—Heating by cathodic discharges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
- F27B19/04—Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0024—Charging; Discharging; Manipulation of charge of metallic workpieces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
- F27B17/0033—Chamber type furnaces the floor of the furnaces consisting of the support carrying the charge, e.g. car type furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0065—Lifts, e.g. containing the bucket elevators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0006—Electric heating elements or system
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3101351A DE3101351C2 (en) | 1981-01-17 | 1981-01-17 | Device for hardening metallic workpieces with an evacuable chamber |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2091398A GB2091398A (en) | 1982-07-28 |
GB2091398B true GB2091398B (en) | 1984-03-28 |
Family
ID=6122800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8136446A Expired GB2091398B (en) | 1981-01-17 | 1981-12-03 | Apparatus for hardening metallic workpieces |
Country Status (5)
Country | Link |
---|---|
US (1) | US4395024A (en) |
JP (1) | JPS57152418A (en) |
DE (1) | DE3101351C2 (en) |
FR (1) | FR2498205B1 (en) |
GB (1) | GB2091398B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59208824A (en) * | 1983-05-12 | 1984-11-27 | ノ−トン・カンパニ− | Heater of semiconductor member or the like |
US5171369A (en) * | 1988-08-18 | 1992-12-15 | Jan Elwart | Device for glow potential processing, in particular ionic carburation |
US20100051039A1 (en) * | 2008-09-02 | 2010-03-04 | Joella Ann Ferrara | Skin treatment device and method for exfoliation and cellulite reduction |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US634499A (en) * | 1899-04-10 | 1899-10-10 | James Hundley | Charging device for heating-furnaces. |
DE668639C (en) * | 1932-07-20 | 1938-12-07 | Bernhard Berghaus | Process for the annealing of metal objects |
GB501892A (en) * | 1937-07-09 | 1939-03-07 | Bernhard Berghaus | Improvements in and relating to the hardening, annealing and the like of articles of metals or alloys |
US2434852A (en) * | 1946-10-16 | 1948-01-20 | Ohio Steel Foundry Co | Grid hearth |
GB875836A (en) * | 1957-05-02 | 1961-08-23 | Berghaus Elektrophysik Anst | Method of reducing the wear of the inner barrel wall of firearms during the passage of projectiles |
US3729358A (en) * | 1970-07-06 | 1973-04-24 | C Barefoot | Apparatus for retreading tires |
CH542024A (en) * | 1972-08-25 | 1973-09-30 | Berghaus Elektrophysik Anst | Suspension device for workpieces when they are treated by means of an electric glow discharge |
JPS5329136B2 (en) * | 1973-11-05 | 1978-08-18 | ||
FR2297927A1 (en) * | 1975-01-17 | 1976-08-13 | Anvar | Thermochemical treatment of metal with ion bombardment - using a sealed discharge chamber, an electrode support and an arc detecting generator |
JPS52131936A (en) * | 1976-04-28 | 1977-11-05 | Ulvac Corp | Vacuum ion carburizing and apparatus therefor |
US4179618A (en) * | 1976-12-01 | 1979-12-18 | Kawasaki Jukogyo Kabushiki Kaisha | Apparatus for ion-nitriding treatment |
FR2403645A2 (en) * | 1977-09-14 | 1979-04-13 | Vide & Traitement Sa | Furnace for thermochemical metal treatment - ensures ion bombardment by anodes and cathodes without arc discharge |
US4124199A (en) * | 1977-07-11 | 1978-11-07 | Abar Corporation | Process and apparatus for case hardening of ferrous metal work pieces |
DE2803331C3 (en) * | 1978-01-26 | 1981-09-03 | Klöckner Ionon GmbH, 5000 Köln | System for the partial treatment of elongated workpieces by means of a high-current glow discharge |
-
1981
- 1981-01-17 DE DE3101351A patent/DE3101351C2/en not_active Expired
- 1981-12-03 GB GB8136446A patent/GB2091398B/en not_active Expired
-
1982
- 1982-01-08 US US06/338,058 patent/US4395024A/en not_active Expired - Fee Related
- 1982-01-15 FR FR8200594A patent/FR2498205B1/en not_active Expired
- 1982-01-18 JP JP57005093A patent/JPS57152418A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3101351A1 (en) | 1982-08-05 |
US4395024A (en) | 1983-07-26 |
DE3101351C2 (en) | 1982-10-14 |
GB2091398A (en) | 1982-07-28 |
FR2498205A1 (en) | 1982-07-23 |
FR2498205B1 (en) | 1985-06-07 |
JPS57152418A (en) | 1982-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931203 |